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view graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCMathIntrinsicOp.java @ 20908:f166d264af9f
Truflfe/Instrumentaion: migrate client-oriented notes on Probes to a newly written documentation page at https://wiki.openjdk.java.net/display/Graal/Finding+Probes. Replace Probe's Javadoc with implementation notes oriented to implementors.
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Mon, 13 Apr 2015 15:00:57 -0700 |
parents | 3081a57f95fd |
children | 93c50cefb9e8 |
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/* * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.lir.sparc; import static com.oracle.graal.api.code.ValueUtil.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.sparc.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; public final class SPARCMathIntrinsicOp extends SPARCLIRInstruction implements SPARCTailDelayedLIRInstruction { public static final LIRInstructionClass<SPARCMathIntrinsicOp> TYPE = LIRInstructionClass.create(SPARCMathIntrinsicOp.class); public enum IntrinsicOpcode { SQRT, ABS } @Opcode private final IntrinsicOpcode opcode; @Def protected Value result; @Use protected Value input; public SPARCMathIntrinsicOp(IntrinsicOpcode opcode, Value result, Value input) { super(TYPE); this.opcode = opcode; this.result = result; this.input = input; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { Kind inputKind = (Kind) input.getLIRKind().getPlatformKind(); delayedControlTransfer.emitControlTransfer(crb, masm); switch (opcode) { case SQRT: switch (inputKind) { case Float: masm.fsqrts(asFloatReg(input), asFloatReg(result)); break; case Double: masm.fsqrtd(asDoubleReg(input), asDoubleReg(result)); break; default: GraalInternalError.shouldNotReachHere(); } break; case ABS: switch (inputKind) { case Float: masm.fabss(asFloatReg(input), asFloatReg(result)); break; case Double: masm.fabsd(asDoubleReg(input), asDoubleReg(result)); break; default: GraalInternalError.shouldNotReachHere(); } break; default: throw GraalInternalError.shouldNotReachHere(); } } }